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McCowan, John Porter, 1815-1879

Subject Source: Library of Congress Subject Headings

Found in 1 Collection or Record:

ETHS Press Release on John Porter McCowan portrait

Identifier: MM.2022.001
Scope and Contents

Press release by the East Tennessee Historical Society on the results of sending the John Porter McCowan portrait to Oak Ridge National Laboratory's High Temperature Materials Laboratory for infrared study. The infrared camera revealed an underpainting of watermill landscape. The underpainting further supports suspicion the unsigned portrait was painted by Lloyd Branson.

Dates: 2006